[dhcwg] Call for topics for dhc WG session at IETF-124, repl y by 9/16/25

Bernie Volz <[email protected]> Tue, 2 Sep 2025 19:21:39 -0400
Newsgroups gmane.ietf.dhc
Message-ID <[email protected]>
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<html><head><meta http-equiv=3D"content-type" content=3D"text/html; charset=3D=
utf-8"></head><body dir=3D"auto">Hi:<div><br></div><div>Tim and I are lookin=
g for whether a DHC WG session is worth having in Montreal at IETF-124.</div=
><div><br></div><div>Please respond by <b>September 16th</b> if you have top=
ics you would like to present if we do hold a session.</div><div><br></div><=
div><div style=3D"-webkit-text-size-adjust: auto;">While our WG drafts are i=
n good shape (@ RFC editor), there are 4 =E2=80=9Crelated drafts=E2=80=9D on=
 the datatracker:</div><div style=3D"-webkit-text-size-adjust: auto;"><br></=
div><div style=3D"-webkit-text-size-adjust: auto;"><div class=3D"x-apple-tra=
nsform-wrapper" style=3D"height: 207.328395px;"><table class=3D"table table-=
sm table-striped tablesorter tablesorter-done" style=3D"font-size: 16px; fon=
t-variant-caps: normal; caption-side: bottom; border-collapse: collapse; ver=
tical-align: top; border-color: var(--bs-table-border-color); margin-bottom:=
 1rem; caret-color: rgb(33, 37, 41); color: rgb(33, 37, 41); font-family: In=
ter, system-ui, -apple-system, &quot;Segoe UI&quot;, Roboto, &quot;Helvetica=
 Neue&quot;, &quot;Noto Sans&quot;, &quot;Liberation Sans&quot;, Arial, sans=
-serif, &quot;Apple Color Emoji&quot;, &quot;Segoe UI Emoji&quot;, &quot;Seg=
oe UI Symbol&quot;, &quot;Noto Color Emoji&quot;; -webkit-tap-highlight-colo=
r: rgba(0, 0, 0, 0); transform-origin: 0px 0px; transform: scale(0.809877); w=
idth: 810px !important; height: 255.375px !important;"><tbody class=3D"list"=
 style=3D"box-sizing: border-box; border-style: solid; border-width: 0px; ve=
rtical-align: inherit;"></tbody><tbody class=3D"list" style=3D"box-sizing: b=
order-box; border-style: solid; border-width: 0px; vertical-align: inherit;"=
><tr class=3D"table-info" style=3D"box-sizing: border-box; border-color: var=
(--bs-table-border-color); border-style: solid; border-width: 0px; --bs-tabl=
e-color: #000; --bs-table-bg: #cff4fc; --bs-table-border-color: #a6c3ca; --b=
s-table-striped-bg: #c5e8ef; --bs-table-striped-color: #000; --bs-table-acti=
ve-bg: #badce3; --bs-table-active-color: #000; --bs-table-hover-bg: #bfe2e9;=
 --bs-table-hover-color: #000; color: var(--bs-table-color);"><th scope=3D"c=
ol" colspan=3D"5" class=3D"document" style=3D"box-sizing: border-box; border=
-color: inherit; border-style: solid; border-top-width: 0px; border-right-wi=
dth: 0px; border-bottom-width: var(--bs-border-width); border-left-width: 0p=
x; hyphens: auto; background-color: rgb(207, 244, 252); box-shadow: inset 0 0=
 0 9999px var(--bs-table-bg-state,var(--bs-table-bg-type,var(--bs-table-acce=
nt-bg))); padding: 0.25rem; --bs-table-color-type: var(--bs-table-striped-co=
lor); --bs-table-bg-type: var(--bs-table-striped-bg);">Related Internet-Draf=
ts and RFCs (4 hits)</th></tr></tbody><tbody class=3D"list" style=3D"box-siz=
ing: border-box; border-style: solid; border-width: 0px; vertical-align: inh=
erit;"><tr style=3D"box-sizing: border-box; border-style: solid; border-widt=
h: 0px;"><td class=3D"bg-transparent" style=3D"box-sizing: border-box; borde=
r-color: inherit; border-style: solid; border-top-width: 0px; border-right-w=
idth: 0px; border-bottom-width: var(--bs-border-width); border-left-width: 0=
px; --bs-bg-opacity: 1; box-shadow: inset 0 0 0 9999px var(--bs-table-bg-sta=
te,var(--bs-table-bg-type,var(--bs-table-accent-bg))); padding: 0.25rem; --b=
s-table-color-type: var(--bs-table-striped-color); --bs-table-bg-type: var(-=
-bs-table-striped-bg);"></td><td class=3D"doc bg-transparent document" style=
=3D"box-sizing: border-box; border-color: inherit; border-style: solid; bord=
er-top-width: 0px; border-right-width: 0px; border-bottom-width: var(--bs-bo=
rder-width); border-left-width: 0px; --bs-bg-opacity: 1; box-shadow: inset 0=
 0 0 9999px var(--bs-table-bg-state,var(--bs-table-bg-type,var(--bs-table-ac=
cent-bg))); padding: 0.25rem; --bs-table-color-type: var(--bs-table-striped-=
color); --bs-table-bg-type: var(--bs-table-striped-bg);"><small class=3D"flo=
at-end text-body-secondary d-none d-sm-block" style=3D"box-sizing: border-bo=
x; font-size: 0.875em; --bs-text-opacity: 1; float: right !important; displa=
y: block !important;">6 pages</small><div style=3D"box-sizing: border-box;">=
<a href=3D"https://datatracker.ietf.org/doc/draft-zhul-dhc-bnc-up-specific-s=
uboption/" style=3D"box-sizing: border-box; color: rgb(33, 37, 41);">draft-z=
hul-dhc-bnc-up-specific-suboption-00</a><br style=3D"box-sizing: border-box;=
"><span style=3D"box-sizing: border-box;">Broadband Network UP-Specific Info=
rmation Suboption for the DHCP Relay Agent Option</span></div></td><td class=
=3D"bg-transparent date" style=3D"box-sizing: border-box; border-color: inhe=
rit; border-style: solid; border-top-width: 0px; border-right-width: 0px; bo=
rder-bottom-width: var(--bs-border-width); border-left-width: 0px; --bs-bg-o=
pacity: 1; box-shadow: inset 0 0 0 9999px var(--bs-table-bg-state,var(--bs-t=
able-bg-type,var(--bs-table-accent-bg))); padding: 0.25rem; --bs-table-color=
-type: var(--bs-table-striped-color); --bs-table-bg-type: var(--bs-table-str=
iped-bg);">2025-08-03</td><td class=3D"status bg-transparent" style=3D"box-s=
izing: border-box; border-color: inherit; border-style: solid; border-top-wi=
dth: 0px; border-right-width: 0px; border-bottom-width: var(--bs-border-widt=
h); border-left-width: 0px; --bs-bg-opacity: 1; box-shadow: inset 0 0 0 9999=
px var(--bs-table-bg-state,var(--bs-table-bg-type,var(--bs-table-accent-bg))=
); padding: 0.25rem; --bs-table-color-type: var(--bs-table-striped-color); -=
-bs-table-bg-type: var(--bs-table-striped-bg);"><div class=3D"float-end ms-1=
 mb-1" id=3D"ballot-icon-draft-zhul-dhc-bnc-up-specific-suboption" style=3D"=
box-sizing: border-box; float: right !important; margin-bottom: 0.25rem !imp=
ortant; margin-left: 0.25rem !important;"></div>I-D Exists</td><td class=3D"=
text-center d-none d-sm-table-cell bg-transparent ipr" style=3D"box-sizing: b=
order-box; border-color: inherit; border-style: solid; border-top-width: 0px=
; border-right-width: 0px; border-bottom-width: var(--bs-border-width); bord=
er-left-width: 0px; --bs-bg-opacity: 1; box-shadow: inset 0 0 0 9999px var(-=
-bs-table-bg-state,var(--bs-table-bg-type,var(--bs-table-accent-bg))); paddi=
ng: 0.25rem; --bs-table-color-type: var(--bs-table-striped-color); --bs-tabl=
e-bg-type: var(--bs-table-striped-bg); text-align: center !important;"></td>=
<td class=3D"d-none d-sm-table-cell bg-transparent ad" style=3D"box-sizing: b=
order-box; border-color: inherit; border-style: solid; border-top-width: 0px=
; border-right-width: 0px; border-bottom-width: var(--bs-border-width); bord=
er-left-width: 0px; --bs-bg-opacity: 1; box-shadow: inset 0 0 0 9999px var(-=
-bs-table-bg-state,var(--bs-table-bg-type,var(--bs-table-accent-bg))); paddi=
ng: 0.25rem; --bs-table-color-type: var(--bs-table-striped-color); --bs-tabl=
e-bg-type: var(--bs-table-striped-bg);"><br style=3D"box-sizing: border-box;=
"></td></tr><tr style=3D"box-sizing: border-box; border-style: solid; border=
-width: 0px;"><td class=3D"bg-transparent" style=3D"box-sizing: border-box; b=
order-color: inherit; border-style: solid; border-top-width: 0px; border-rig=
ht-width: 0px; border-bottom-width: var(--bs-border-width); border-left-widt=
h: 0px; --bs-bg-opacity: 1; box-shadow: inset 0 0 0 9999px var(--bs-table-bg=
-state,var(--bs-table-bg-type,var(--bs-table-accent-bg))); padding: 0.25rem;=
"></td><td class=3D"doc bg-transparent document" style=3D"box-sizing: border=
-box; border-color: inherit; border-style: solid; border-top-width: 0px; bor=
der-right-width: 0px; border-bottom-width: var(--bs-border-width); border-le=
ft-width: 0px; --bs-bg-opacity: 1; box-shadow: inset 0 0 0 9999px var(--bs-t=
able-bg-state,var(--bs-table-bg-type,var(--bs-table-accent-bg))); padding: 0=
.25rem;"><small class=3D"float-end text-body-secondary d-none d-sm-block" st=
yle=3D"box-sizing: border-box; font-size: 0.875em; --bs-text-opacity: 1; flo=
at: right !important; display: block !important;">9 pages</small><div style=3D=
"box-sizing: border-box;"><a href=3D"https://datatracker.ietf.org/doc/draft-=
nygren-dhc-recommended-ipv6-address/" style=3D"box-sizing: border-box; color=
: rgb(33, 37, 41);">draft-nygren-dhc-recommended-ipv6-address-01</a><br styl=
e=3D"box-sizing: border-box;"><span style=3D"box-sizing: border-box;">DHCPv6=
 Recommended IPv6 Address Option</span></div></td><td class=3D"bg-transparen=
t date" style=3D"box-sizing: border-box; border-color: inherit; border-style=
: solid; border-top-width: 0px; border-right-width: 0px; border-bottom-width=
: var(--bs-border-width); border-left-width: 0px; --bs-bg-opacity: 1; box-sh=
adow: inset 0 0 0 9999px var(--bs-table-bg-state,var(--bs-table-bg-type,var(=
--bs-table-accent-bg))); padding: 0.25rem;">2025-07-04</td><td class=3D"stat=
us bg-transparent" style=3D"box-sizing: border-box; border-color: inherit; b=
order-style: solid; border-top-width: 0px; border-right-width: 0px; border-b=
ottom-width: var(--bs-border-width); border-left-width: 0px; --bs-bg-opacity=
: 1; box-shadow: inset 0 0 0 9999px var(--bs-table-bg-state,var(--bs-table-b=
g-type,var(--bs-table-accent-bg))); padding: 0.25rem;"><div class=3D"float-e=
nd ms-1 mb-1" id=3D"ballot-icon-draft-nygren-dhc-recommended-ipv6-address" s=
tyle=3D"box-sizing: border-box; float: right !important; margin-bottom: 0.25=
rem !important; margin-left: 0.25rem !important;"></div>I-D Exists</td><td c=
lass=3D"text-center d-none d-sm-table-cell bg-transparent ipr" style=3D"box-=
sizing: border-box; border-color: inherit; border-style: solid; border-top-w=
idth: 0px; border-right-width: 0px; border-bottom-width: var(--bs-border-wid=
th); border-left-width: 0px; --bs-bg-opacity: 1; box-shadow: inset 0 0 0 999=
9px var(--bs-table-bg-state,var(--bs-table-bg-type,var(--bs-table-accent-bg)=
)); padding: 0.25rem; text-align: center !important;"></td><td class=3D"d-no=
ne d-sm-table-cell bg-transparent ad" style=3D"box-sizing: border-box; borde=
r-color: inherit; border-style: solid; border-top-width: 0px; border-right-w=
idth: 0px; border-bottom-width: var(--bs-border-width); border-left-width: 0=
px; --bs-bg-opacity: 1; box-shadow: inset 0 0 0 9999px var(--bs-table-bg-sta=
te,var(--bs-table-bg-type,var(--bs-table-accent-bg))); padding: 0.25rem;"><b=
r style=3D"box-sizing: border-box;"></td></tr><tr style=3D"box-sizing: borde=
r-box; border-style: solid; border-width: 0px;"><td class=3D"bg-transparent"=
 style=3D"box-sizing: border-box; border-color: inherit; border-style: solid=
; border-top-width: 0px; border-right-width: 0px; border-bottom-width: var(-=
-bs-border-width); border-left-width: 0px; --bs-bg-opacity: 1; box-shadow: i=
nset 0 0 0 9999px var(--bs-table-bg-state,var(--bs-table-bg-type,var(--bs-ta=
ble-accent-bg))); padding: 0.25rem; --bs-table-color-type: var(--bs-table-st=
riped-color); --bs-table-bg-type: var(--bs-table-striped-bg);"></td><td clas=
s=3D"doc bg-transparent document" style=3D"box-sizing: border-box; border-co=
lor: inherit; border-style: solid; border-top-width: 0px; border-right-width=
: 0px; border-bottom-width: var(--bs-border-width); border-left-width: 0px; -=
-bs-bg-opacity: 1; box-shadow: inset 0 0 0 9999px var(--bs-table-bg-state,va=
r(--bs-table-bg-type,var(--bs-table-accent-bg))); padding: 0.25rem; --bs-tab=
le-color-type: var(--bs-table-striped-color); --bs-table-bg-type: var(--bs-t=
able-striped-bg);"><small class=3D"float-end text-body-secondary d-none d-sm=
-block" style=3D"box-sizing: border-box; font-size: 0.875em; --bs-text-opaci=
ty: 1; float: right !important; display: block !important;">7 pages</small><=
div style=3D"box-sizing: border-box;"><a href=3D"https://datatracker.ietf.or=
g/doc/draft-lin-dhc-dhcpv6-active-leasequery-quic/" style=3D"box-sizing: bor=
der-box; color: rgb(33, 37, 41);">draft-lin-dhc-dhcpv6-active-leasequery-qui=
c-00</a><br style=3D"box-sizing: border-box;"><span style=3D"box-sizing: bor=
der-box;">DHCPv6 Active Leasequery over QUIC</span></div></td><td class=3D"b=
g-transparent date" style=3D"box-sizing: border-box; border-color: inherit; b=
order-style: solid; border-top-width: 0px; border-right-width: 0px; border-b=
ottom-width: var(--bs-border-width); border-left-width: 0px; --bs-bg-opacity=
: 1; box-shadow: inset 0 0 0 9999px var(--bs-table-bg-state,var(--bs-table-b=
g-type,var(--bs-table-accent-bg))); padding: 0.25rem; --bs-table-color-type:=
 var(--bs-table-striped-color); --bs-table-bg-type: var(--bs-table-striped-b=
g);">2025-04-24</td><td class=3D"status bg-transparent" style=3D"box-sizing:=
 border-box; border-color: inherit; border-style: solid; border-top-width: 0=
px; border-right-width: 0px; border-bottom-width: var(--bs-border-width); bo=
rder-left-width: 0px; --bs-bg-opacity: 1; box-shadow: inset 0 0 0 9999px var=
(--bs-table-bg-state,var(--bs-table-bg-type,var(--bs-table-accent-bg))); pad=
ding: 0.25rem; --bs-table-color-type: var(--bs-table-striped-color); --bs-ta=
ble-bg-type: var(--bs-table-striped-bg);"><div class=3D"float-end ms-1 mb-1"=
 id=3D"ballot-icon-draft-lin-dhc-dhcpv6-active-leasequery-quic" style=3D"box=
-sizing: border-box; float: right !important; margin-bottom: 0.25rem !import=
ant; margin-left: 0.25rem !important;"></div>I-D Exists</td><td class=3D"tex=
t-center d-none d-sm-table-cell bg-transparent ipr" style=3D"box-sizing: bor=
der-box; border-color: inherit; border-style: solid; border-top-width: 0px; b=
order-right-width: 0px; border-bottom-width: var(--bs-border-width); border-=
left-width: 0px; --bs-bg-opacity: 1; box-shadow: inset 0 0 0 9999px var(--bs=
-table-bg-state,var(--bs-table-bg-type,var(--bs-table-accent-bg))); padding:=
 0.25rem; --bs-table-color-type: var(--bs-table-striped-color); --bs-table-b=
g-type: var(--bs-table-striped-bg); text-align: center !important;"></td><td=
 class=3D"d-none d-sm-table-cell bg-transparent ad" style=3D"box-sizing: bor=
der-box; border-color: inherit; border-style: solid; border-top-width: 0px; b=
order-right-width: 0px; border-bottom-width: var(--bs-border-width); border-=
left-width: 0px; --bs-bg-opacity: 1; box-shadow: inset 0 0 0 9999px var(--bs=
-table-bg-state,var(--bs-table-bg-type,var(--bs-table-accent-bg))); padding:=
 0.25rem; --bs-table-color-type: var(--bs-table-striped-color); --bs-table-b=
g-type: var(--bs-table-striped-bg);"><br style=3D"box-sizing: border-box;"><=
/td></tr><tr style=3D"box-sizing: border-box; border-style: solid; border-wi=
dth: 0px;"><td class=3D"bg-transparent" style=3D"box-sizing: border-box; bor=
der-color: inherit; border-style: solid; border-top-width: 0px; border-right=
-width: 0px; border-bottom-width: var(--bs-border-width); border-left-width:=
 0px; --bs-bg-opacity: 1; box-shadow: inset 0 0 0 9999px var(--bs-table-bg-s=
tate,var(--bs-table-bg-type,var(--bs-table-accent-bg))); padding: 0.25rem;">=
</td><td class=3D"doc bg-transparent document" style=3D"box-sizing: border-b=
ox; border-color: inherit; border-style: solid; border-top-width: 0px; borde=
r-right-width: 0px; border-bottom-width: var(--bs-border-width); border-left=
-width: 0px; --bs-bg-opacity: 1; box-shadow: inset 0 0 0 9999px var(--bs-tab=
le-bg-state,var(--bs-table-bg-type,var(--bs-table-accent-bg))); padding: 0.2=
5rem;"><small class=3D"float-end text-body-secondary d-none d-sm-block" styl=
e=3D"box-sizing: border-box; font-size: 0.875em; --bs-text-opacity: 1; float=
: right !important; display: block !important;">7 pages</small><div style=3D=
"box-sizing: border-box;"><a href=3D"https://datatracker.ietf.org/doc/draft-=
tojens-dhcp-option-concat-considerations/" style=3D"box-sizing: border-box; c=
olor: rgb(33, 37, 41);">draft-tojens-dhcp-option-concat-considerations-01</a=
><br style=3D"box-sizing: border-box;"><span style=3D"box-sizing: border-box=
;">DHCP Option Concatenation Considerations</span></div></td><td class=3D"bg=
-transparent date" style=3D"box-sizing: border-box; border-color: inherit; b=
order-style: solid; border-top-width: 0px; border-right-width: 0px; border-b=
ottom-width: var(--bs-border-width); border-left-width: 0px; --bs-bg-opacity=
: 1; box-shadow: inset 0 0 0 9999px var(--bs-table-bg-state,var(--bs-table-b=
g-type,var(--bs-table-accent-bg))); padding: 0.25rem;">2025-03-03<br style=3D=
"box-sizing: border-box;"><span class=3D"badge rounded-pill text-bg-warning"=
 style=3D"box-sizing: border-box; --bs-badge-padding-x: .65em; --bs-badge-pa=
dding-y: .35em; --bs-badge-font-size: .75em; --bs-badge-font-weight: 700; --=
bs-badge-color: #fff; --bs-badge-border-radius: var(--bs-border-radius); pad=
ding: var(--bs-badge-padding-y)var(--bs-badge-padding-x); font-size: var(--b=
s-badge-font-size); text-align: center; white-space: nowrap; vertical-align:=
 baseline; line-height: 1; display: inline-block; color: rgb(0, 0, 0) !impor=
tant; border-radius: var(--bs-border-radius-pill) !important;">Expires soon<=
/span></td><td class=3D"status bg-transparent" style=3D"box-sizing: border-b=
ox; border-color: inherit; border-style: solid; border-top-width: 0px; borde=
r-right-width: 0px; border-bottom-width: var(--bs-border-width); border-left=
-width: 0px; --bs-bg-opacity: 1; box-shadow: inset 0 0 0 9999px var(--bs-tab=
le-bg-state,var(--bs-table-bg-type,var(--bs-table-accent-bg))); padding: 0.2=
5rem;"><div class=3D"float-end ms-1 mb-1" id=3D"ballot-icon-draft-tojens-dhc=
p-option-concat-considerations" style=3D"box-sizing: border-box; float: righ=
t !important; margin-bottom: 0.25rem !important; margin-left: 0.25rem !impor=
tant;"></div>I-D Exists</td><td class=3D"text-center d-none d-sm-table-cell b=
g-transparent ipr" style=3D"box-sizing: border-box; border-color: inherit; b=
order-style: solid; border-top-width: 0px; border-right-width: 0px; border-b=
ottom-width: var(--bs-border-width); border-left-width: 0px; --bs-bg-opacity=
: 1; box-shadow: inset 0 0 0 9999px var(--bs-table-bg-state,var(--bs-table-b=
g-type,var(--bs-table-accent-bg))); padding: 0.25rem; text-align: center !im=
portant;"></td></tr></tbody></table></div></div><div style=3D"-webkit-text-s=
ize-adjust: auto;"><br></div><div style=3D"-webkit-text-size-adjust: auto;">=
<br></div><div style=3D"-webkit-text-size-adjust: auto;">The first two are f=
or new options, neither of which technically require this WG to =E2=80=9Cdo=E2=
=80=9D - though not sure if there is a better home for these?</div><div styl=
e=3D"-webkit-text-size-adjust: auto;"><br></div><div style=3D"-webkit-text-s=
ize-adjust: auto;">The QUIC draft is an interesting question as to whether t=
his is needed, but it also isn=E2=80=99t a big deal if someone finds it usef=
ul and is willing to move it forward and implement it.</div><div style=3D"-w=
ebkit-text-size-adjust: auto;"><br></div><div style=3D"-webkit-text-size-adj=
ust: auto;">The concat considerations was never updated after the March IETF=
 discussion? Not sure if maybe interest in it has waned?</div><div style=3D"=
-webkit-text-size-adjust: auto;"><br></div><div style=3D"-webkit-text-size-a=
djust: auto;">Not sure if there=E2=80=99s anything else lurking out there?</=
div><div style=3D"-webkit-text-size-adjust: auto;"><br></div><div style=3D"-=
webkit-text-size-adjust: auto;">Thanks in advance!</div><div style=3D"-webki=
t-text-size-adjust: auto;"><br id=3D"lineBreakAtBeginningOfSignature"><div d=
ir=3D"ltr">- Bernie</div></div></div><div><div dir=3D"ltr"></div></div></bod=
y></html>=

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